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GE MULTILINK ML2400 Instruction Manual Page 180

Ethernet communications switch.
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VLAN REGISTRATION OVER GARP
Note
11–4
• Send VLAN advertisements, and also receive advertisements for VLANs on other
ports and dynamically join those VLANs
• Send VLAN advertisements, but ignore advertisements received from other ports
• Avoid GVRP participation by not sending advertisements and dropping any
advertisements received from other devices
Table 11–1: Port settings for GVRP operations
Unknown
VLAN mode
Learn
Block
Disable
The
command displays a switch's current GVRP configuration, including the
show-vlan
unknown VLANs.
show-vlan
A port must be enabled and configured to learn for it to be assigned to the dynamic VLAN.
To send advertisements, one or more tagged or untagged static VLANs must be
configured on one (or more) switches with GVRP enabled. The ML2400 software allows a
dynamic VLAN to be converted to a static VLAN with the
static vlan=<VID>
The
show vlan type=tag
Example 11-1 illustrates how to convert a dynamic VLAN into a static VLAN.
As the following table indicates, a port that has a tagged or untagged static VLAN has the
option for both generating advertisements and dynamically joining other VLANs.
MULTILINK ML2400 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL
CHAPTER 11: VLAN REGISTRATION OVER GARP
Operations
Enables the port to dynamically join any VLAN
for which it receives and advertisement, and
allows the port to forward the advertisement it
receives.
Prevents the port from dynamically joining a
VLAN that is not statically configured on the
switch. The port will still forward advertisements
that were received by the switch on other ports.
Block should typically be used on ports in
insecure networks where there is exposure to
attack - such as ports where intruders can
connect.
Causes the port to ignore and drop all the
advertisements it receives from any source.
command will display VID in case the VID is not known.
command.
static

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